/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.

This file is part of Quake III Arena source code.

Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.

Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
 */

#include "qfiles.h"


void CM_LoadMap(const char *name, qboolean clientload, int *checksum);
void CM_ClearMap(void);
clipHandle_t CM_InlineModel(int index); // 0 = world, 1 + are bmodels
clipHandle_t CM_TempBoxModel(const vec3_t mins, const vec3_t maxs, int capsule);

void CM_ModelBounds(clipHandle_t model, vec3_t mins, vec3_t maxs);

int CM_NumClusters(void);
int CM_NumInlineModels(void);
char *CM_EntityString(void);

// returns an ORed contents mask
int CM_PointContents(const vec3_t p, clipHandle_t model);
int CM_TransformedPointContents(const vec3_t p, clipHandle_t model, const vec3_t origin, const vec3_t angles);

void CM_BoxTrace(trace_t *results, const vec3_t start, const vec3_t end,
        vec3_t mins, vec3_t maxs,
        clipHandle_t model, int brushmask, int capsule);
void CM_TransformedBoxTrace(trace_t *results, const vec3_t start, const vec3_t end,
        vec3_t mins, vec3_t maxs,
        clipHandle_t model, int brushmask,
        const vec3_t origin, const vec3_t angles, int capsule);

byte *CM_ClusterPVS(int cluster);

int CM_PointLeafnum(const vec3_t p);

// only returns non-solid leafs
// overflow if return listsize and if *lastLeaf != list[listsize-1]
int CM_BoxLeafnums(const vec3_t mins, const vec3_t maxs, int *list,
        int listsize, int *lastLeaf);

int CM_LeafCluster(int leafnum);
int CM_LeafArea(int leafnum);

void CM_AdjustAreaPortalState(int area1, int area2, qboolean open);
qboolean CM_AreasConnected(int area1, int area2);

int CM_WriteAreaBits(byte *buffer, int area);

// cm_tag.c
int CM_LerpTag(orientation_t *tag, clipHandle_t model, int startFrame, int endFrame,
        float frac, const char *tagName);


// cm_marks.c
int CM_MarkFragments(int numPoints, const vec3_t *points, const vec3_t projection,
        int maxPoints, vec3_t pointBuffer, int maxFragments, markFragment_t *fragmentBuffer);

// cm_patch.c
void CM_DrawDebugSurface(void (*drawPoly)(int color, int numPoints, float *points));
